Since the president hasn’t released his tax returns, his complete financial situation remains somewhat unclear.

But Trump’s status as a billionaire makes him more than twice as rich as Washington, whose estimated net worth would amount to around $525 million in today’s dollars.

Had he lived to inherit his father’s financial empire, John F. Kennedy may have been the only other billionaire to take a turn in the Oval Office, according to data from 24/7 Wall St. Several other presidents, including Thomas Jefferson, Theodore Roosevelt, and Andrew Jackson, were worth well over $100 million.

Trump can also thank inheritance for jump-starting his path to wealth. Starting with a $1 million loan from his father, Fred, Trump took out a bank loan of more than $100 million, which he parlayed into a series of real-estate projects in Manhattan, including Trump Tower and the Grand Hyatt Hotel. As his real-estate business took off, Trump branched out into golf courses, casinos, and various branded products.